/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.core.converter.converter;

import com.je.bpm.core.converter.converter.util.BpmnXMLUtil;
import com.je.bpm.core.model.BaseElement;
import com.je.bpm.core.model.BpmnModel;
import com.je.bpm.core.model.SequenceFlow;
import org.apache.commons.lang3.StringUtils;

import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;

public class SequenceFlowXMLConverter extends BaseBpmnXMLConverter {

    @Override
    public Class<? extends BaseElement> getBpmnElementType() {
        return SequenceFlow.class;
    }

    @Override
    protected String getXMLElementName() {
        return ELEMENT_SEQUENCE_FLOW;
    }

    @Override
    protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception {
        SequenceFlow sequenceFlow = new SequenceFlow();
        BpmnXMLUtil.addXMLLocation(sequenceFlow, xtr);
        sequenceFlow.setSourceRef(xtr.getAttributeValue(null, ATTRIBUTE_FLOW_SOURCE_REF));
        sequenceFlow.setTargetRef(xtr.getAttributeValue(null, ATTRIBUTE_FLOW_TARGET_REF));
        sequenceFlow.setName(xtr.getAttributeValue(null, ATTRIBUTE_NAME));
        sequenceFlow.setSkipExpression(xtr.getAttributeValue(null, ATTRIBUTE_FLOW_SKIP_EXPRESSION));
        parseChildElements(getXMLElementName(), sequenceFlow, model, xtr);
        return sequenceFlow;
    }

    @Override
    protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw) throws Exception {
        SequenceFlow sequenceFlow = (SequenceFlow) element;
        writeDefaultAttribute(ATTRIBUTE_FLOW_SOURCE_REF, sequenceFlow.getSourceRef(), xtw);
        writeDefaultAttribute(ATTRIBUTE_FLOW_TARGET_REF, sequenceFlow.getTargetRef(), xtw);
        if (StringUtils.isNotEmpty(sequenceFlow.getSkipExpression())) {
            writeDefaultAttribute(ATTRIBUTE_FLOW_SKIP_EXPRESSION, sequenceFlow.getSkipExpression(), xtw);
        }
    }

    @Override
    protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw) throws Exception {
        SequenceFlow sequenceFlow = (SequenceFlow) element;
        if (StringUtils.isNotEmpty(sequenceFlow.getConditionExpression())) {
            xtw.writeStartElement(ELEMENT_FLOW_CONDITION);
            xtw.writeAttribute(XSI_PREFIX, XSI_NAMESPACE, "type", "tFormalExpression");
            xtw.writeCData(sequenceFlow.getConditionExpression());
            xtw.writeEndElement();
        }
    }
}
